Of the former we possess yet two curious remnants, entitled "Notitiae regionum Urbis Romae" and "Curiosum Urbis Romae", also a list of oils collected at the shrines of the Roman martyrs by Abbot Johannes for Queen Theodolinda, and known as the Papyrus of Monza.

When the great Egyptian treatise on medicine, known as the Papyrus Ebers, was written in the sixteenth century B.C., one of the most fashionable oculists of the day was a “Syrian” of Gebal, and as the study of the disease of the eye was peculiarly Egyptian, we must assume that his science had been derived from the valley of the Nile.